UWD1V331MCL1GS Equivalent & Substitute Parts

Part Overview

The UWD1V331MCL1GS is a 330 µF, 35 V aluminum electrolytic capacitor manufactured by Nichicon in the UWD series. This surface mount component is rated for 5000 hours at 105°C and is designed for general purpose applications. The part is currently active and in stock with 1120 units available.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required, or when design specifications allow for components with enhanced performance characteristics such as improved ripple current handling, lower impedance, or extended operational lifetime.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	35 V
Tolerance	±20%
Operating Temperature Range	-55°C to 105°C
Lifetime @ 105°C	5000 Hrs
Mounting Type	Surface Mount
Package / Case	Radial, Can - SMD
Size / Dimension	0.394" Dia (10.00mm)
Height - Seated (Max)	0.394" (10.00mm)
Surface Mount Land Size	0.406" L x 0.406" W (10.30mm x 10.30mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following core parameters:

Capacitance: 330 µF (exact match required)
Voltage Rating: 35 V (exact match required)
Tolerance: ±20% (exact match required)
Operating Temperature Range: -55°C to 105°C (exact match required)
Mounting Type: Surface Mount (exact match required)
Package / Case: Radial, Can - SMD (exact match required)
Physical Dimensions: 0.394" Dia (10.00mm) with compatible height and land size
RoHS Status: ROHS3 Compliant (exact match required)
Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

Substitute parts are grouped into two categories:

Upgrade Substitutes meet all core parameters with enhanced performance characteristics such as extended lifetime, improved ripple current capacity, or lower impedance.

Similar Substitutes meet all core parameters with variations in lifetime, ripple current, impedance, or packaging format that remain functionally compatible within the specified electrical and mechanical constraints.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Lifetime @ 105°C	Ripple Current @ 120 Hz	Ripple Current @ 100 kHz	Impedance	Height (Max)	Product Status	Packaging
UWD1V331MCL1GS	Nichicon	UWD	330 µF	35 V	5000 Hrs	335 mA	670 mA	90 mOhms	0.394" (10.00mm)	Active	Tape & Reel (TR)
UUD1V331MNL1GS	Nichicon	UUD	330 µF	35 V	5000 Hrs	335 mA	670 mA	90 mOhms	0.413" (10.50mm)	Active	Cut Tape (CT) & Digi-Reel®
UCD1V331MNL1GS	Nichicon	UCD	330 µF	35 V	5000 Hrs	425 mA	850 mA	80 mOhms	0.413" (10.50mm)	Active	Cut Tape (CT) & Digi-Reel®
UCL1V331MNL1GS	Nichicon	UCL	330 µF	35 V	2000 Hrs	595 mA	1.19 A	60 mOhms	0.394" (10.00mm)	Active	Tape & Reel (TR)
UWG1V331MNL1GS	Nichicon	UWG	330 µF	35 V	1000 Hrs	335 mA	670 mA	150 mOhms	0.413" (10.50mm)	Active	Tape & Reel (TR)
AFC337M35G24T-F	Cornell Dubilier Electronics (CDE)	AFC	330 µF	35 V	1000 Hrs	502.5 mA	670 mA	150 mOhms	0.402" (10.20mm)	Not For New Designs	Tape & Reel (TR)
AFK337M35G24T-F	Cornell Dubilier Electronics (CDE)	AFK	330 µF	35 V	2000 Hrs	637.5 mA	850 mA	80 mOhms	0.413" (10.50mm)	Active	Tape & Reel (TR)
EEE-FK1V331AP	Panasonic Electronic Components	FK	330 µF	35 V	2000 Hrs	552.5 mA	850 mA	80 mOhms	0.413" (10.50mm)	Active	Tape & Reel (TR)
EEE-FK1V331GP	Panasonic Electronic Components	FK	330 µF	35 V	5000 Hrs	637.5 mA	850 mA	80 mOhms	0.413" (10.50mm)	Active	Tape & Reel (TR)
EEE-FK1V331P	Panasonic Electronic Components	FK	330 µF	35 V	2000 Hrs	637.5 mA	850 mA	80 mOhms	0.413" (10.50mm)	Active	Tape & Reel (TR)
EMZA350ARA331MJA0G	Chemi-Con	Alchip™- MZA	330 µF	35 V	2000 Hrs	425 mA	850 mA	80 mOhms	0.413" (10.50mm)	Active	Cut Tape (CT) & Digi-Reel®

Engineering Selection Recommendations

For Direct Replacement (Nichicon UWD Series Continuity)

UUD1V331MNL1GS serves as the primary upgrade substitute within the Nichicon product line. It maintains identical electrical performance (5000 Hrs @ 105°C, 90 mOhms impedance) while offering alternative packaging in Cut Tape & Digi-Reel® format. Height increases from 10.00mm to 10.50mm; verify PCB clearance before selection.

For Enhanced Ripple Current Performance

UCD1V331MNL1GS and UCL1V331MNL1GS provide superior ripple current capacity (425-595 mA @ 120 Hz, 850 mA-1.19 A @ 100 kHz) with lower impedance (60-80 mOhms). UCL1V331MNL1GS maintains original height of 10.00mm but operates at reduced lifetime (2000 Hrs @ 105°C). UCD1V331MNL1GS increases height to 10.50mm.

For Cross-Manufacturer Substitution

Panasonic EEE-FK1V331GP provides equivalent 5000 Hrs @ 105°C lifetime with enhanced ripple current (637.5 mA @ 120 Hz, 850 mA @ 100 kHz) and lower impedance (80 mOhms). All EEE-FK variants are AEC-Q200 rated and active products. Height is 10.50mm.

Chemi-Con EMZA350ARA331MJA0G (Alchip™ MZA series) offers 2000 Hrs @ 105°C with 80 mOhms impedance and 425 mA @ 120 Hz ripple current. Available in high inventory (1,000,100 units). Height is 10.50mm.

Parts to Avoid for New Designs

AFC337M35G24T-F (Cornell Dubilier Electronics) carries "Not For New Designs" status and should not be selected for new applications despite meeting electrical specifications.

UWG1V331MNL1GS operates at reduced lifetime (1000 Hrs @ 105°C) and higher impedance (150 mOhms) compared to the main part; select only when cost is the primary constraint and thermal stress is minimal.

Frequently Asked Questions (FAQ)

Q: Can UUD1V331MNL1GS replace UWD1V331MCL1GS directly on the PCB?

A: UUD1V331MNL1GS is electrically equivalent but increases in height from 10.00mm to 10.50mm. Verify PCB clearance and component placement constraints before substitution. Packaging changes from Tape & Reel to Cut Tape & Digi-Reel®.

Q: What is the difference between lifetime ratings (5000 Hrs vs. 2000 Hrs vs. 1000 Hrs)?

A: Lifetime rating indicates the expected operational duration at maximum rated temperature (105°C) before capacitance degradation reaches 20% of initial value. Higher lifetime ratings provide greater reliability margin in thermally stressed applications. Select based on actual thermal profile and mission duration.

Q: Why do some substitutes have higher ripple current ratings?

A: Ripple current capacity is determined by internal construction and thermal design. Higher ripple current ratings indicate improved ability to dissipate heat generated by AC current flow. Select based on actual circuit ripple current requirements; oversizing provides thermal margin but increases cost and board space.

Q: Are all substitute parts AEC-Q200 qualified?

A: No. UWD1V331MCL1GS, UCL1V331MNL1GS, and AFC337M35G24T-F do not carry AEC-Q200 ratings. All Panasonic EEE-FK variants, Nichicon UUD/UCD/UWG series, and Chemi-Con EMZA350ARA331MJA0G are AEC-Q200 qualified for automotive applications.

Q: What is the impact of impedance differences (60 mOhms to 150 mOhms)?

A: Lower impedance reduces voltage ripple and heat generation at equivalent ripple current. Select lower impedance parts for high-frequency switching applications or when thermal management is critical. Higher impedance parts are acceptable in low-frequency or low-ripple-current circuits.

Q: Can I use parts with different land sizes?

A: The main part and all substitutes share identical land size (0.406" L x 0.406" W / 10.30mm x 10.30mm) except AFK337M35G24T-F, which uses 0.406" L x 0.473" W (10.30mm x 12.00mm). Verify PCB pad layout compatibility before selecting AFK337M35G24T-F.

Q: Which substitute offers the best overall performance?

A: EEE-FK1V331GP (Panasonic) matches the original 5000 Hrs @ 105°C lifetime while providing superior ripple current (637.5 mA @ 120 Hz, 850 mA @ 100 kHz) and lower impedance (80 mOhms). It is AEC-Q200 qualified and actively produced.

Q: Are there REACH or RoHS compliance differences?

A: All parts are ROHS3 compliant. REACH status varies: UWD1V331MCL1GS, UUD1V331MNL1GS, UCD1V331MNL1GS, AFC337M35G24T-F, AFK337M35G24T-F, and EEE-FK variants are REACH Affected. UCL1V331MNL1GS, UWG1V331MNL1GS, and EMZA350ARA331MJA0G are REACH Unaffected.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message